<template>
  <el-dialog :title="!dataForm.id ? '新增' : '修改'" :close-on-click-modal="false" :visible.sync="visible">
    <el-form :model="dataForm" :rules="dataRule" ref="dataForm" @keyup.enter.native="dataFormSubmit()"
             label-width="80px">
      <el-form-item label="媒体文件">
        <el-button type="primary">
          选择文件
          <input type="file" style="opacity: 0;height: 100%;position: absolute;left: 0;top: 0;" @change="onFileChange"/>
        </el-button>
        <div>{{dataForm.file.name}}</div>
      </el-form-item>
      <el-form-item label="媒体类型" prop="mediaType">
        <el-select v-model="dataForm.mediaType" placeholder="媒体类型" style="width:100%">
          <el-option label="图片（2M以内，支持PNG\JPEG\JPG\GIF）" value="image"></el-option>
          <el-option label="视频（10M以内，只支持MP4）" value="video"></el-option>
          <el-option label="语音（2M、60s以内，支持AMR\MP3）" value="voice"></el-option>
          <el-option label="缩略图（64K以内JPG）" value="thumb"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="素材名称" prop="fileName">
        <el-input v-model="dataForm.fileName" placeholder="为便于管理建议按用途分类+素材内容命名"></el-input>
      </el-form-item>
    </el-form>
    <span slot="footer" class="dialog-footer">
            <el-button @click="visible = false">取消</el-button>
            <el-button type="primary" @click="dataFormSubmit()"
                       :disabled="uploading">{{uploading?'提交中...':'提交'}}</el-button>
        </span>
  </el-dialog>
</template>

<script>
  import {materialFileUpload} from "@/api/wx/assets";
  export default {
    data() {
      return {
        visible: false,
        uploading: false,
        dataForm: {
          mediaId: '',
          file: '',
          fileName: '',
          mediaType: 'image'
        },
        dataRule: {
          fileName: [
            {required: true, message: '素材名称不能为空', trigger: 'blur'}
          ],
          mediaType: [
            {required: true, message: '素材类型不能为空', trigger: 'blur'}
          ]
        }
      }
    },
    methods: {
      init(fileType) {
        if (fileType) this.dataForm.mediaType = fileType
        this.visible = true
      },
      // 表单提交
      dataFormSubmit() {
        if (this.uploading) return
        this.$refs['dataForm'].validate((valid) => {
          if (valid) {
            this.uploading = true
            console.log(this.dataForm)
            let form = new FormData();
            form.append('mediaId', this.dataForm.mediaId || '')
            form.append('file', this.dataForm.file)
            form.append('fileName', this.dataForm.fileName)
            form.append('mediaType', this.dataForm.mediaType)
            materialFileUpload(form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.visible = false
              this.$emit('refreshDataList')
            }).finally(() => {
              this.uploading = false
            });
          }
        })
      },
      onFileChange(e) {
        let file = event.currentTarget.files[0]
        this.dataForm.file = file;
        this.dataForm.fileName = file.name.substring(0, file.name.lastIndexOf('.'))
        let mediaType = file.type.substring(0, file.type.lastIndexOf('/'))
        if (mediaType == 'audio') mediaType = 'voice'
        this.dataForm.mediaType = mediaType
      }
    }
  }
</script>
